1. Excelsior: 26.04.1922 Type: programme Subject: Tajná smlouva opertská; Tajná smlouva z Operta Language: Czech and German Rights: Creative Commons BY 4.0
2. Moravia: 31.05.1922 Type: programme Subject: Tajná smlouva opertská; Tajná smlouva z Operta Language: Czech and German Rights: Creative Commons BY 4.0